var difference = 0;
  var seconds = 0;
  var years = 0;

  Opening_Date = new Date("October 11, 1982");
  
  today = new Date();
  
  difference = today - Opening_Date;
  
  seconds = Math.round(difference/(1000));
  
  years = Math.round(seconds / 31536000)

  function
formatInteger(num, delim)
{
 var copy = "" + num;  // convert number to string -- BETTER be an integer
 var d = delim || ","; // if delimiter not used, provide default comma
 var s = "";
 var i;
 
 for(i = copy.length - 3; i > 0; i-=3)
  s = d + copy.substring(i, i + 3) + s;
  s = copy.substring(0, i + 3) + s;
 return s;

}

 document.write("When every second counts turn to Top Security Inc who has been securing Orlando / Central Florida homes and businesses for " + formatInteger(seconds,",") + " seconds." + " (" + years + " years)");